{

/**

* Path to the plugin dir

*

* @since 1.0

*/

private $plugin_path;

/**

* Sends emails for each step of the IPN notification.

*

* @since 1.3

*/

private $debug = false;

/**

* EDD PagSeguro Gateway

*

* Waits for plugins_loaded and launches first method.

*

* @return void

* @since 1.0

*/

function __construct()

{

// wait and fire plugins_loaded method

add_action( 'plugins_loaded', array( &$this, 'plugins_loaded' ) );

add_action( 'init', array( &$this, 'listen_for_pagseguro_ipn' ) );

if( defined( 'WP_DEBUG' ) && WP_DEBUG ) {

$this->debug = true;

}

}

/**

* EDD PagSeguro Gateway

*

* Internationalization, payment process and init method.

*

* @return void

* @since 1.0

*/

function plugins_loaded()

{

// set plugin path

$this->plugin_path = plugin_dir_path( __FILE__ );

// load internationalization

load_plugin_textdomain( 'edd-pagseguro-gateway', false, $this->plugin_path . '/lan' );

// process payments

add_action( 'edd_gateway_pagseguro', array( &$this, 'process_payment' ) );

// fire init method

add_action( 'init', array( &$this, 'init' ), -1 );

if( class_exists( 'EDD_License' ) ) {

$license = new EDD_License( __FILE__, 'PagSeguro Payment Gateway', '1.4.2', 'Pippin Williamson' );

}

}

/**

* Init

*

* Sets the necessary filters and action.

*

* @return void

* @since 1.0

*/

function init()

{

// set filters

add_filter( 'edd_payment_gateways', array( &$this, 'register_gateway' ) );

add_filter( 'edd_settings_gateways', array( &$this, 'add_settings' ) );

add_filter( 'edd_payment_confirm_pagseguro', array( &$this, 'payment_confirm' ) );

// set actions

add_action( 'edd_pagseguro_cc_form', array( &$this, 'cc_form' ) );

}

/**

* Register Gateway

*

* Registers the PagSeguro gateway.

*

* @return array

* @since 1.0

*/

function register_gateway( $gateways )

{

$gateways['pagseguro'] = array( 'admin_label' => 'PagSeguro', 'checkout_label' => 'PagSeguro' );

return $gateways;

}

/**

* Add Settings

*

* Adds the PagSeguro gateway settings.

*

* @return array

* @since 1.0

*/

function add_settings( $settings )

{

// Credentials Links

$credentials_link = sprintf( '<a href="https://pagseguro.uol.com.br/integracao/token-de-seguranca.jhtml">%s</a>', __( 'get it here', 'edd-pagseguro-gateway' ) );

// IPN settings links

$ipn_settings_link = sprintf( '<a href="https://pagseguro.uol.com.br/integracao/notificacao-de-transacoes.jhtml">%s</a>', __( 'IPN settings', 'edd-pagseguro-gateway' ) );

$gateway_settings = array(

array(

'id' => 'pagseguro_settings',

'name' => '<strong>' . __( 'PagSeguro Settings', 'edd-pagseguro-gateway' ) . '</strong>',

'desc' => __( 'Configure your PagSeguro Settings', 'edd-pagseguro-gateway' ),

'type' => 'header'

),

array(

'id' => 'pagseguro_currency',

'name' => __( 'IMPORTANT', 'edd-pagseguro-gateway' ),

'desc' => '<strong>' . __( 'PagSeguro only supports payments in Brazilian Reals ( BRL ). This Gateway does not support the test mode account, all payments will be processed live.', 'edd-pagseguro-gateway' ) . '</strong>',

'type' => 'pagseguro_notes',

),

array(

'id' => 'pagseguro_ipn',

'name' => __( 'IPN', 'edd-pagseguro-gateway' ),

'desc' => sprintf( __( 'Set your PagSeguro %s to notify this URL: %s', 'edd-pagseguro-gateway' ), $ipn_settings_link, '<br/> <textarea type="text" class="large-text" disabled="disabled">' . get_site_url() . '/</textarea>' ),

'type' => 'pagseguro_notes',

),

array(

'id' => 'pagseguro_client_email',

'name' => __( 'Client Email', 'edd-pagseguro-gateway' ),

'desc' => __( 'Enter your PagSeguro client email', 'edd-pagseguro-gateway' ),

'type' => 'text',

'size' => 'regular'

),

array(

'id' => 'pagseguro_client_token',

'name' => __( 'Client Token', 'edd-pagseguro-gateway' ),

'desc' => sprintf( __( 'Enter your PagSeguro client token ( %s )', 'edd-pagseguro-gateway' ), $credentials_link ),

'type' => 'text',

'size' => 'regular'

)

);

return array_merge( $settings, apply_filters( 'edd_pagseguro_gateway_settings', $gateway_settings ) );

}

/**

* Credit Card Form

*

* Registers the PagSeguro gateway.

*

* @return null

* @since 1.0

*/

function cc_form() {

// we only register the action so that the default CC form is not shown

}

/**

* Get Credentials

*

* Gets the PagSeguro gateway credentials.

*

* @return array

* @since 1.0

*/

function get_credentials()

{

global $edd_options;

return array(

'email' => isset( $edd_options['pagseguro_client_email'] ) ? trim( $edd_options['pagseguro_client_email'] ) : null,

'token' => isset( $edd_options['pagseguro_client_token'] ) ? trim( $edd_options['pagseguro_client_token'] ) : null

);

}

/**

* Load PagSeguro SDK

*

* Loads the necessary PagSeguro SDK files.

*

* @return void

* @since 1.0

*/

function load_pagseguro_sdk()

{

require_once( $this->plugin_path . 'lib/PagSeguroLibrary/PagSeguroLibrary.php' );

}

/**

* Payment Confirm

*

* Checks for payment response.

*

* @return void

* @since 1.0

*/

function payment_confirm( $content )

{

global $edd_options;

// check if there is a confirmation arg

if ( ! isset( $_GET['payment-confirmation'] ) || ( $_GET['payment-confirmation'] != 'pagseguro' ) ) {

// return regular content

return $content;

}

// check if it's pending mode

if ( isset( $_GET['payment-pending'] ) && $_GET['payment-pending'] == 'true' ) {

// generate pending mode output

ob_start();

do_action( 'edd_pagseguro_before_pending' );

?>

<p><?php _e( 'Thanks for completing the checkout. <strong>Your Payment is in pending mode</strong>. Please complete the process with PagSeguro to access your purchased files.', 'edd-pagseguro-gateway' ); ?></p>

<?php

do_action( 'edd_pagseguro_after_pending' );

return ob_get_clean();

}

// return succesful confirmation

return $content;

}

/**

* Listen for PagSeguro IPN

*

* PagSeguro instant payment notifications.

*

* @return void

* @since 1.0

*/

function listen_for_pagseguro_ipn()

{

global $edd_options;

// check for incoming order id

$code = isset( $_POST['notificationCode'] ) && trim( $_POST['notificationCode'] ) !== "" ? trim( $_POST['notificationCode'] ) : null;

$type = isset( $_POST['notificationType'] ) && trim( $_POST['notificationType'] ) !== "" ? trim( $_POST['notificationType'] ) : null;

// check for the edd-listener in the URL request

if ( is_null( $code ) || is_null( $type ) ) {

return;

}

// debug notification

if ( $this->debug === true ) {

wp_mail(get_bloginfo( 'admin_email' ), __('PagSeguro Gateway Debug 1: Incoming Notification'), var_export($_POST, true));

}

// get credentials

$credentials = $this->get_credentials();

// check credentials have been set

if ( is_null( $credentials['email'] ) || is_null( $credentials['token'] ) ) {

return;

}

// debug credentials

if ( $this->debug === true ) {

wp_mail(get_bloginfo( 'admin_email' ), __('PagSeguro Gateway Debug 2: Credentials'), 'OK');

}

// require PagSeguro files

$this->load_pagseguro_sdk();

// verify classes exists

if ( ! class_exists( 'PagSeguroNotificationType' ) ) {

return;

}

// debug sdk

if ( $this->debug === true ) {

wp_mail(get_bloginfo( 'admin_email' ), __('PagSeguro Gateway Debug 3: SDK'), 'OK');

}

// get notification

$notificationType = new PagSeguroNotificationType( $type );

$strType = $notificationType->getTypeFromValue();

// debug type

if ( $this->debug === true ) {

wp_mail(get_bloginfo( 'admin_email' ), __('PagSeguro Gateway Debug 4: Notification Type'), var_export($strType, true));

}

// try to verify the notification

try {

// generate credentials

$credentials = new PagSeguroAccountCredentials( $credentials['email'], $credentials['token'] );

// notification service

$transaction = PagSeguroNotificationService::checkTransaction( $credentials, $code );

// debug check

if ( $this->debug === true ) {

wp_mail(get_bloginfo( 'admin_email' ), __('PagSeguro Gateway Debug 5: Transaction Check'), 'OK');

}

// get both values

$reference = $transaction->getReference();

$status = $transaction->getStatus();

// check there is an external reference

if ( isset( $reference ) && isset( $status ) ) {

// check for succesful status

if ( $status->getValue() == 3 ) {

// debug status

if ( $this->debug === true ) {

wp_mail(get_bloginfo( 'admin_email' ), __('PagSeguro Gateway Debug 6: Status Check'), 'OK');

}

// update succesful payment

edd_update_payment_status( $reference, 'publish' );

} else {

// debug status

if ( $this->debug === true ) {

wp_mail(get_bloginfo( 'admin_email' ), __('PagSeguro Gateway Debug 6: Status Check'), 'ERROR');

}

}

} else {

// debug reference/status error

if ( $this->debug === true ) {

wp_mail(get_bloginfo( 'admin_email' ), __('PagSeguro Gateway Debug 8: Reference/Status Check'), 'ERROR');

}

}

} catch ( Exception $e ) {

wp_mail( get_bloginfo( 'admin_email' ), __( 'PagSeguro IPN Service Error', 'edd-pagseguro-gateway' ), $e->getMessage() );

return;

}

}

/**

* Process Payment

*

* Process payments trough the PagSeguro gateway.

*

* @return void

* @since 1.0

*/

function process_payment( $purchase_data )

{

global $edd_options;

// check there is a gateway name

if ( ! isset( $purchase_data['post_data']['edd-gateway'] ) )

return;

// get credentials

$credentials = $this->get_credentials();

// check credentials have been set

if ( is_null( $credentials['email'] ) || is_null( $credentials['token'] ) ) {

edd_set_error( 0, __( 'Please enter your PagSeguro Client Email and Token in settings', 'edd-pagseguro-gateway' ) );

edd_send_back_to_checkout( '?payment-mode=' . $purchase_data['post_data']['edd-gateway'] );

}

// get payment

$payment_data = array(

'price' => $purchase_data['price'],

'date' => $purchase_data['date'],

'user_email' => $purchase_data['user_email'],

'purchase_key' => $purchase_data['purchase_key'],

'currency' => edd_get_option( 'currency', 'BRL' ),

'downloads' => $purchase_data['downloads'],

'user_info' => $purchase_data['user_info'],

'cart_details' => $purchase_data['cart_details'],

'status' => 'pending'

);

// insert pending payment

$payment = edd_insert_payment( $payment_data );

if ( ! $payment ) {

// problems? send back

edd_send_back_to_checkout( '?payment-mode=' . $purchase_data['post_data']['edd-gateway'] );

} else {

// require PagSeguro files

$this->load_pagseguro_sdk();

// verify classes exists

if ( ! class_exists( 'PagSeguroPaymentRequest' ) )

edd_send_back_to_checkout( '?payment-mode=' . $purchase_data['post_data']['edd-gateway'] );

// create payment request

$paymentRequest = new PagSeguroPaymentRequest();

// sets the currency

$paymentRequest->setCurrency( 'BRL' );

// cart summary

$cart_summary = edd_get_purchase_summary( $purchase_data, false );

// format total price

$total_price = number_format( $purchase_data['price'], 2, '.', '' );

// payment request details

$paymentRequest->addItem( '01', sanitize_text_field( substr( $cart_summary, 0, 95 ) ), '1', strval( $total_price ) );

// sets the reference code for this request

$paymentRequest->setReference( $payment );

// sets customer information

$paymentRequest->setSender( sanitize_text_field( $purchase_data['user_info']['first_name'] . ' ' . $purchase_data['user_info']['last_name'] ), $purchase_data['user_email'] );

// redirect url

$paymentRequest->setRedirectUrl( add_query_arg( 'payment-confirmation', 'pagseguro', edd_get_success_page_uri() ) );

// IPN URL

$paymentRequest->addParameter( 'notificationURL', get_site_url() );

/* TRY CHECKOUT */

try {

// generate credentials

$credentials = new PagSeguroAccountCredentials( $credentials['email'], $credentials['token'] );

// register this payment request in PagSeguro, to obtain the payment URL for redirect your customer

$checkout_uri = $paymentRequest->register( $credentials );

if ( gettype( $checkout_uri ) != 'string' ) {

throw new exception( $checkout_uri );

}

// empty cart

edd_empty_cart();

// send the user to PagSeguro

wp_redirect( $checkout_uri );

die();

} catch ( Exception $e ) {

//catch exception

wp_mail( get_bloginfo( 'admin_email' ), __( 'PagSeguro Checkout Error', 'edd-pagseguro-gateway' ), $e->getMessage() );

edd_set_error( 'pagseguro_exception', $e->getMessage() );

edd_send_back_to_checkout( '?payment-mode=' . $purchase_data['post_data']['edd-gateway'] );

}

}

}